* directory.
*/
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "cpu.h"
#include "hw/boards.h"
#include "exec/address-spaces.h"
#include "s390-virtio.h"
#include "hw/s390x/sclp.h"
#include "hw/s390x/s390_flic.h"
-#include "ioinst.h"
-#include "css.h"
+#include "hw/s390x/ioinst.h"
+#include "hw/s390x/css.h"
#include "virtio-ccw.h"
#include "qemu/config-file.h"
#include "s390-pci-bus.h"
#include "hw/s390x/storage-keys.h"
+#include "hw/compat.h"
+#include "ipl.h"
+#include "hw/s390x/s390-virtio-ccw.h"
+#include "hw/s390x/css-bridge.h"
+
+static const char *const reset_dev_types[] = {
+ TYPE_VIRTUAL_CSS_BRIDGE,
+ "s390-sclp-event-facility",
+ "s390-flic",
+ "diag288",
+};
-#define TYPE_S390_CCW_MACHINE "s390-ccw-machine"
-
-#define S390_CCW_MACHINE(obj) \
- OBJECT_CHECK(S390CcwMachineState, (obj), TYPE_S390_CCW_MACHINE)
-
-typedef struct S390CcwMachineState {
- /*< private >*/
- MachineState parent_obj;
-
- /*< public >*/
- bool aes_key_wrap;
- bool dea_key_wrap;
-} S390CcwMachineState;
-
-void io_subsystem_reset(void)
+void subsystem_reset(void)
{
- DeviceState *css, *sclp, *flic, *diag288;
+ DeviceState *dev;
+ int i;
- css = DEVICE(object_resolve_path_type("", "virtual-css-bridge", NULL));
- if (css) {
- qdev_reset_all(css);
- }
- sclp = DEVICE(object_resolve_path_type("",
- "s390-sclp-event-facility", NULL));
- if (sclp) {
- qdev_reset_all(sclp);
- }
- flic = DEVICE(object_resolve_path_type("", "s390-flic", NULL));
- if (flic) {
- qdev_reset_all(flic);
- }
- diag288 = DEVICE(object_resolve_path_type("", "diag288", NULL));
- if (diag288) {
- qdev_reset_all(diag288);
+ for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
+ dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
+ if (dev) {
+ qdev_reset_all(dev);
+ }
}
}
MemoryRegion *ram = g_new(MemoryRegion, 1);
/* allocate RAM for core */
- memory_region_init_ram(ram, NULL, "s390.ram", mem_size, &error_fatal);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
memory_region_add_subregion(sysmem, 0, ram);
/* Initialize storage key device */
virtio_ccw_register_hcalls();
/* init CPUs */
- s390_init_cpus(machine->cpu_model);
+ s390_init_cpus(machine);
if (kvm_enabled()) {
kvm_s390_enable_css_support(s390_cpu_addr2state(0));
gtod_save, gtod_load, kvm_state);
}
+static void s390_cpu_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ gchar *name;
+ S390CPU *cpu = S390_CPU(dev);
+ CPUState *cs = CPU(dev);
+
+ name = g_strdup_printf("cpu[%i]", cpu->env.cpu_num);
+ object_property_set_link(OBJECT(hotplug_dev), OBJECT(cs), name,
+ errp);
+ g_free(name);
+}
+
+static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
+ s390_cpu_plug(hotplug_dev, dev, errp);
+ }
+}
+
+static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
+ DeviceState *dev)
+{
+ if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
+ return HOTPLUG_HANDLER(machine);
+ }
+ return NULL;
+}
+
+static void s390_hot_add_cpu(const int64_t id, Error **errp)
+{
+ MachineState *machine = MACHINE(qdev_get_machine());
+
+ s390x_new_cpu(machine->cpu_model, id, errp);
+}
+
static void ccw_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
NMIClass *nc = NMI_CLASS(oc);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
+ S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+ s390mc->ri_allowed = true;
mc->init = ccw_init;
+ mc->reset = s390_machine_reset;
+ mc->hot_add_cpu = s390_hot_add_cpu;
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->no_floppy = 1;
mc->no_parallel = 1;
mc->no_sdcard = 1;
mc->use_sclp = 1;
- mc->max_cpus = 255;
+ mc->max_cpus = 248;
+ mc->get_hotplug_handler = s390_get_hotplug_handler;
+ hc->plug = s390_machine_device_plug;
nc->nmi_monitor_handler = s390_nmi;
}
ms->dea_key_wrap = value;
}
+bool ri_allowed(void)
+{
+ if (kvm_enabled()) {
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+ if (object_class_dynamic_cast(OBJECT_CLASS(mc),
+ TYPE_S390_CCW_MACHINE)) {
+ S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+
+ return s390mc->ri_allowed;
+ }
+ /*
+ * Make sure the "none" machine can have ri, otherwise it won't * be
+ * unlocked in KVM and therefore the host CPU model might be wrong.
+ */
+ return true;
+ }
+ return 0;
+}
+
static inline void s390_machine_initfn(Object *obj)
{
object_property_add_bool(obj, "aes-key-wrap",
.abstract = true,
.instance_size = sizeof(S390CcwMachineState),
.instance_init = s390_machine_initfn,
+ .class_size = sizeof(S390CcwMachineClass),
.class_init = ccw_machine_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_NMI },
+ { TYPE_HOTPLUG_HANDLER},
{ }
},
};
+#define DEFINE_CCW_MACHINE(suffix, verstr, latest) \
+ static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \
+ void *data) \
+ { \
+ MachineClass *mc = MACHINE_CLASS(oc); \
+ ccw_machine_##suffix##_class_options(mc); \
+ mc->desc = "VirtIO-ccw based S390 machine v" verstr; \
+ if (latest) { \
+ mc->alias = "s390-ccw-virtio"; \
+ mc->is_default = 1; \
+ } \
+ } \
+ static void ccw_machine_##suffix##_instance_init(Object *obj) \
+ { \
+ MachineState *machine = MACHINE(obj); \
+ ccw_machine_##suffix##_instance_options(machine); \
+ } \
+ static const TypeInfo ccw_machine_##suffix##_info = { \
+ .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \
+ .parent = TYPE_S390_CCW_MACHINE, \
+ .class_init = ccw_machine_##suffix##_class_init, \
+ .instance_init = ccw_machine_##suffix##_instance_init, \
+ }; \
+ static void ccw_machine_register_##suffix(void) \
+ { \
+ type_register_static(&ccw_machine_##suffix##_info); \
+ } \
+ type_init(ccw_machine_register_##suffix)
+
+#define CCW_COMPAT_2_7 \
+ HW_COMPAT_2_7
+
+#define CCW_COMPAT_2_6 \
+ CCW_COMPAT_2_7 \
+ HW_COMPAT_2_6 \
+ {\
+ .driver = TYPE_S390_IPL,\
+ .property = "iplbext_migration",\
+ .value = "off",\
+ }, {\
+ .driver = TYPE_VIRTUAL_CSS_BRIDGE,\
+ .property = "css_dev_path",\
+ .value = "off",\
+ },
+
+#define CCW_COMPAT_2_5 \
+ CCW_COMPAT_2_6 \
+ HW_COMPAT_2_5
+
#define CCW_COMPAT_2_4 \
+ HW_COMPAT_2_4 \
{\
.driver = TYPE_S390_SKEYS,\
.property = "migration-enabled",\
.value = "off",\
+ },{\
+ .driver = "virtio-blk-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "virtio-balloon-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "virtio-serial-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "virtio-9p-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "virtio-rng-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "virtio-net-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "virtio-scsi-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
+ },{\
+ .driver = "vhost-scsi-ccw",\
+ .property = "max_revision",\
+ .value = "0",\
},
-static void ccw_machine_2_4_class_init(ObjectClass *oc, void *data)
+static void ccw_machine_2_8_instance_options(MachineState *machine)
{
- MachineClass *mc = MACHINE_CLASS(oc);
- static GlobalProperty compat_props[] = {
- CCW_COMPAT_2_4
- { /* end of list */ }
- };
-
- mc->name = "s390-ccw-virtio-2.4";
- mc->desc = "VirtIO-ccw based S390 machine v2.4";
- mc->compat_props = compat_props;
}
-static const TypeInfo ccw_machine_2_4_info = {
- .name = MACHINE_TYPE_NAME("s390-ccw-virtio-2.4"),
- .parent = TYPE_S390_CCW_MACHINE,
- .class_init = ccw_machine_2_4_class_init,
-};
+static void ccw_machine_2_8_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(2_8, "2.8", true);
-static void ccw_machine_2_5_class_init(ObjectClass *oc, void *data)
+static void ccw_machine_2_7_instance_options(MachineState *machine)
{
- MachineClass *mc = MACHINE_CLASS(oc);
+ ccw_machine_2_8_instance_options(machine);
+}
+
+static void ccw_machine_2_7_class_options(MachineClass *mc)
+{
+ ccw_machine_2_8_class_options(mc);
+ SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
+}
+DEFINE_CCW_MACHINE(2_7, "2.7", false);
- mc->name = "s390-ccw-virtio-2.5";
- mc->alias = "s390-ccw-virtio";
- mc->desc = "VirtIO-ccw based S390 machine v2.5";
- mc->is_default = 1;
+static void ccw_machine_2_6_instance_options(MachineState *machine)
+{
+ ccw_machine_2_7_instance_options(machine);
}
-static const TypeInfo ccw_machine_2_5_info = {
- .name = MACHINE_TYPE_NAME("s390-ccw-virtio-2.5"),
- .parent = TYPE_S390_CCW_MACHINE,
- .class_init = ccw_machine_2_5_class_init,
-};
+static void ccw_machine_2_6_class_options(MachineClass *mc)
+{
+ S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+
+ s390mc->ri_allowed = false;
+ ccw_machine_2_7_class_options(mc);
+ SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
+}
+DEFINE_CCW_MACHINE(2_6, "2.6", false);
+
+static void ccw_machine_2_5_instance_options(MachineState *machine)
+{
+ ccw_machine_2_6_instance_options(machine);
+}
+
+static void ccw_machine_2_5_class_options(MachineClass *mc)
+{
+ ccw_machine_2_6_class_options(mc);
+ SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
+}
+DEFINE_CCW_MACHINE(2_5, "2.5", false);
+
+static void ccw_machine_2_4_instance_options(MachineState *machine)
+{
+ ccw_machine_2_5_instance_options(machine);
+}
+
+static void ccw_machine_2_4_class_options(MachineClass *mc)
+{
+ ccw_machine_2_5_class_options(mc);
+ SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
+}
+DEFINE_CCW_MACHINE(2_4, "2.4", false);
static void ccw_machine_register_types(void)
{
type_register_static(&ccw_machine_info);
- type_register_static(&ccw_machine_2_4_info);
- type_register_static(&ccw_machine_2_5_info);
}
type_init(ccw_machine_register_types)